F - Mech Eng,Light,Heat,Weapons – 02 – B
Patent
F - Mech Eng,Light,Heat,Weapons
02
B
123/235
F02B 23/08 (2006.01) F02B 31/08 (2006.01) F02B 31/00 (2006.01)
Patent
CA 1191402
ABSTRACT OF THE DISCLOSURE An internal combustion engine has a combustion chamber defined by a cylinder, a cylinder head and a piston fitting in the cylinder with a main suction path having a suction port formed in the cylinder head and controlled by a suction valve at an open end portion of the suction port, which end portion opens into the combustion chamber and a sub-suction path having an outlet port opening into the main suction path upstream of the chamber. The sub- suction path injects a flow of gas past an ignition plug towards an exhaust port and the outlet port thereof faces in a direction subtending at most about ? 30 degrees with a line joining a point nearest on the cylinder wall to the ignition plug and the center of the outlet port. This direction also subtends an angle of 15 to 30 degrees with a plane normal to the axis of the cylinder and the sub- suction path comprises an outlet pipe press-fitted into the cylinder head and having protruding into the suction port, an outlet end bent towards the cylinder wall, with an internal diameter less than that of the remainder of the pipe.
382614
Aoyagi Kenichi
Namba Yuzuru
Yokoyama Hiroshi
G. Ronald Bell & Associates
Suzuki Jidosha Kogyo Kabushiki Kaisha
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